//
//  UserAccount.swift
//  WeiboSwift
//
//  Created by Apple13 on 16/7/11.
//  Copyright © 2016年 yupeng. All rights reserved.
//http://open.weibo.com/wiki/OAuth2/access_token
// http://open.weibo.com/wiki/2/users/show

//"access_token": "ACCESS_TOKEN",
//"expires_in": 1234,
//"remind_in":"798114",https://api.weibo.com/oauth2/access_token
//"uid":"12341234"

import UIKit

class UserAccount: NSObject, NSCoding{
    
    //用户授权的唯一令牌
    var access_token:String?
    var expires_in:NSTimeInterval = 0 {
        didSet{
            expiresDate = NSDate().dateByAddingTimeInterval(expires_in)
        }
    }
    
    //过期时间
    var expiresDate:NSDate?
    
    
    //授权用户的UID
    var uid : Int64 = 0
    
    //用户名
    var name : String?
    
    //用户头像
    var avatar_large:String?
    
    
    //kvc 构造函数
    init(dict:[String:AnyObject]) {
        super.init()
        setValuesForKeysWithDictionary(dict)
    }
    
    //防止字段不匹配
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        print(key+"这个字段不匹配")
    }
    
    //重写descriptio属性
    override var description: String{
        let keys = ["access_token", "expires_in", "uid", "name", "avatar_large"]
        return dictionaryWithValuesForKeys(keys).description
    }
    
    
    
    //MARK: - 归档与解档
    //归档
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token,forKey: "access_token")
        aCoder.encodeObject(expiresDate,forKey: "expiresDate")
        aCoder.encodeInt64(uid, forKey: "uid")
        aCoder.encodeObject(name,forKey:"name")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
        
    }
    
    //解档
    required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        expiresDate = aDecoder.decodeObjectForKey("expiresDate") as? NSDate
        uid = aDecoder.decodeInt64ForKey("uid")
        name = aDecoder.decodeObjectForKey("name") as? String
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as? String
    }
    
    //保存用户对象
    func saveUserAccount() -> Bool {
    let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("userAccount.archive")
        
        print(path)
        
        let result = NSKeyedArchiver.archiveRootObject(self, toFile: path)
    
    return result
    }
    
    
    // 读取用户信息
    class func loadUserAccount() -> UserAccount?{
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("userAccount.archive")
        
        return NSKeyedUnarchiver.unarchiveObjectWithFile(path) as? UserAccount
    }

}
